Knob



FIG. 1 is a front perspective view of a knob in accordance with the present disclosure;

FIG. 2 is a rear perspective view of the knob of FIG. 1;

FIG. 3 is a left side elevational view of the knob of FIG. 1;

FIG. 4 is a right side elevational view of the knob of FIG. 1;

FIG. 5 is a front elevational view of the knob of FIG. 1;

FIG. 6 is a rear elevational view of the knob of FIG. 1;

FIG. 7 is a top plan view of the knob of FIG. 1; and,

FIG. 8 is a bottom plan view of the knob of FIG. 1.

Features shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a knob, as shown and described. 